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The influence of vi...
The influence of visual and somatosensory input on the vestibulo-oculomotor reflex of pigmented rats
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- Niklasson, Magnus (författare)
- Linköpings universitet,Department of Otolaryngology, Faculty of Health Sciences, Linköping, Sweden
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- Tham, Richard (författare)
- Linköpings universitet,Department of Otolaryngology, Faculty of Health Sciences, Linköping, Sweden.
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- Larsby, Birgitta (författare)
- Linköpings universitet,Department of Otolaryngology, Faculty of Health Sciences, Linköping, Sweden.
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visa fler...
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- Eriksson, Birgitta (författare)
- Linköpings universitet,Department of Otolaryngology, Faculty of Health Sciences, Linköping, Sweden.
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visa färre...
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(creator_code:org_t)
- 1991
- 1991
- Engelska.
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Ingår i: Journal of Vestibular Research-Equilibrium & Orientation. - 0957-4271 .- 1878-6464. ; 1:3, s. 251-262
- Relaterad länk:
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https://urn.kb.se/re...
Abstract
Ämnesord
Stäng
- Eye movements were recorded in the pigmented rat during vestibular, optokinetic and combined visual-vestibular stimulation. The dominant time constant in pigmented rats, tested during angular vestibular stimulation in darkness, is about two times longer than the cupular time constant. The gain and the duration of nystagmus, achieved by angular vestibular stimulation, can be enhanced by visual impulses. This is most evident during an optokinetic temporonasal stimulation, but is also seen with a nasotemporal stimulation. A mere optokinetic monocular stimulation without a synchronous vestibular excitation causes nystagmus only when the stimuli has a temporonasal direction. The duration of nystagmus, achieved by angular vestibular stimulation, is prolonged by disturbances of the neck proprioceptive system. This is more evident during a simultaneous visual input than in darkness. The ability to cancel nystagmus during conflicting vestibular and optokinetic impulses is well developed in the pigmented rat.
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- ref (ämneskategori)
- art (ämneskategori)
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